20121940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{34693}}^1$

素因数の和:34731

約数の個数: 24

約数和(自身を含む): 43714440

約数和(自身を除く): 23592500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 34693, 69386, 138772, 173465, 346930, 693860, 1006097, 2012194, 4024388, 5030485, 10060970, 20121940]

約数ペア:

[(1, 20121940), (2, 10060970), (4, 5030485), (5, 4024388), (10, 2012194), (20, 1006097), (29, 693860), (58, 346930), (116, 173465), (145, 138772), (290, 69386), (580, 34693)]